Jaden surveyed 20 juniors and seniors at Denmark High School to find the number of hours per week they spend working at part-time jobs. His results are shown below.
Juniors: 20, 10, 20, 10, 15, 0, 0, 10, 20, 15
Seniors: 20, 20, 10, 10, 0, 0, 0, 10, 0, 10
Which statement about the data is true?
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Responses
The range of hours worked is the same for juniors and seniors.
The range of hours worked is the same for juniors and seniors. - not selected, this is the correct answer
The mean, median, and mode for the juniors surveyed fall within a 3-hour range.
The mean, median, and mode for the juniors surveyed fall within a 3-hour range. - no response given
The mean number of hours worked by the seniors surveyed is 12.
The mean number of hours worked by the seniors surveyed is 12. - no response given
The mean number of hours worked is the same for juniors and seniors.
To find the range, we need to subtract the smallest value from the largest value in each data set.
For juniors: Range = 20 - 0 = 20
For seniors: Range = 20 - 0 = 20
Therefore, the statement "The range of hours worked is the same for juniors and seniors" is true.